Home / 198,258.50-273,592.40-107,614.64

Finding the Fourth Proportional to 198,258.50, 273,592.40 and 107,614.64

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Solution

The fourth proportional to 198,258.50, 273,592.40 and 107,614.64 is: 148,505.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,258.50 : 273,592.40 = 107,614.64 : x
  2. Step 2: Convert to fraction form
    198,258.50/273,592.40 = 107,614.64/x
  3. Step 3: Cross multiply
    198,258.50x = 273,592.40 × 107,614.64
  4. Step 4: Simplify right side
    198,258.50x = 29,442,547,632.74
  5. Step 5: Solve for x
    x = 29,442,547,632.74/198,258.50
  6. Step 6: Final answer
    x = 148,505.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.